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WASHINGTON, April 7- A power outage hit the White House and much of the Washington area on Tuesday, snarling trains, emptying museums and cutting electricity to government buildings and the U.S. Capitol for hours. The Justice Department and State Department were among thousands of customers affected, along with the University of Maryland and some World Bank...

*One targeted company is owned by Ukraine's richest man. KIEV, April 7- Ukraine's judicial authorities moved to curb the influence of the super-rich on Tuesday by challenging tenders that gave leading businessmen control over key power companies under ousted president Viktor Yanukovich. The move against Akhmetov, Ukraine's richest man, and other oligarchs...

WASHINGTON, April 7- A power outage hit the White House and much of the Washington area on Tuesday, snarling trains, emptying museums and cutting electricity to government buildings and the U.S. Capitol. The Justice Department and State Department were also affected, along with the University of Maryland. Power was briefly knocked out to the White House, delaying...

*One of targeted companies is owned by Ukraine's richest man. KIEV, April 7- Ukraine's judicial authorities launched actions on Tuesday challenging tenders that gave big businessmen control over key power companies under ousted president Viktor Yanukovich in a new move by the government to curb the influence of the so-called oligarchs.

-Clyde Russell is a Reuters columnist. LAUNCESTON, Australia, April 7- Coking coal prices are yet to show signs of bottoming with bearish signals from both contract talks between Australian producers and Japanese buyers as well as Chinese demand. Hard coking coal for second quarter delivery was settled at $109.50 a tonne free-on-board between producer BHP...

*Power cut hit almost all of Turkey's 81 provinces. ANKARA, April 6- The head of Turkey's state-run power grid has resigned, taking responsibility for a huge blackout last week likely to have been caused by management errors, Energy Minister Taner Yildiz said on Monday. TEIAS runs electricity distribution in Turkey.

*Nothing is signed until everything is signed- France. The tentative agreement, struck on Thursday after eight days of talks in Switzerland, clears the way for negotiations on a settlement aimed at allaying Western fears that Iran was seeking to build an atomic bomb and in return lift economic sanctions on the Islamic Republic. It marks the most significant step...

LAUSANNE, Switzerland, April 2- Iran and world powers reached a framework agreement on Thursday on curbing Iran's nuclear programme for at least a decade, a step towards a comprehensive accord that could end 12 years of brinkmanship, threats and confrontation. The tentative agreement, after eight days of marathon talks in Switzerland, clears the way for talks on...

In documents filed with Hawaii's utility regulator, SunPower Corp, SunEdison Inc and a group backed by SolarCity say they are worried the acquisition would be bad for their businesses, many of which have grown dramatically in the Aloha State in just a few years. "A decision on this merger could be a signal of what utility 2.0 looks like," Robert Harris, a Hawaii- based...

*CNOOC, China Southern Power Grid execs being probed. CNOOC could also not be reached for comment. China's president, Xi Jinping, has warned that corruption threatens the survival of China's ruling Communist Party and his two-year anti-graft campaign has brought down scores of senior officials in the party, the government, the military and state-owned...

Declines ranged from about 1 percent for shares of FirstEnergy Corp to about 5 percent for NRG Energy Inc. Declines ranged from about 1 percent for shares of FirstEnergy Corp to more than 5 percent for NRG Energy Inc. PJM operates the power grid in all or parts of 13 mid-Atlantic and Midwest states, from New Jersey to Illinois, and the District of Columbia.

LONDON, March 31- Littlebrook power station, which towers grimly over the lower Thames near Dartford in Kent, ceases operations today after almost 35 years, the last of Britain's big oil-fired power plants to close. Now its closure marks the impact of higher oil prices and EU-wide policies, agreed by Britain's major political parties, to move away from fossil...

PARIS, March 27- French energy group EDF is considering whether to take a stake in assets belonging to struggling nuclear power group Areva, business daily Les Echos reported on Friday, citing an unidentified source close to EDF. Le Figaro newspaper separately reported the French government expected the companies to file their proposals for Areva next week.

BEIJING, March 27- China will cut on-grid wholesale prices of thermal electricity, probably from the second quarter of the year, as coal prices tumble, state media said on Friday. The National Development and Reform Commission is seen cutting benchmark on-grid prices by an average of 0.015 yuan per kilowatt hour, the Xinhua News Agency-run Economic Information...

*Coal for power dipped in 2014, expected to drop again. SINGAPORE/ BEIJING, March 27- China is reducing coal use for power generation faster than expected as the use of cleaner-burning fuels and slowing economic growth drags thermal utilisation rates to a potential record low, implying imports and prices will fall further. Coal still makes up nearly two-thirds...

SOFIA, March 26- Bulgaria has asked Westinghouse, part of Toshiba Corp, to take a 49 percent stake in a new nuclear unit if it is to go ahead with a deal for its construction, Energy Minister Temenuzhka Petkova said on Thursday. The European Union's poorest country, reeling from a banking crisis that has strained its finances, wants to avoid giving state guarantees...

By Peroshni Govender and Wendell Roelf. JOHANNESBURG, March 26- South Africa's Eskom said striking workers had destroyed property at the Medupi power plant it is building, the state-owned group closing the site on Thursday to assess the damage. It would become South Africa's first new power station to come online in 20 years and help to address a chronic supply...

WASHINGTON, March 25- The U.S. Supreme Court's conservative majority on Wednesday signaled hostility toward the Obama administration's refusal to consider costs before regulating emissions of mercury and other hazardous pollutants mainly from coal-fired power plants. The provision does not explicitly state whether the EPA was required to include...